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|
# frozen_string_literal: true
#
# irb/locale.rb - internationalization module
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
module IRB # :nodoc:
class Locale
LOCALE_NAME_RE = %r[
(?<language>[[:alpha:]]{2,3})
(?:_ (?<territory>[[:alpha:]]{2,3}) )?
(?:\. (?<codeset>[^@]+) )?
(?:@ (?<modifier>.*) )?
]x
LOCALE_DIR = "/lc/"
LEGACY_ENCODING_ALIAS_MAP = {
'ujis' => Encoding::EUC_JP,
'euc' => Encoding::EUC_JP
}
@@loaded = []
def initialize(locale = nil)
@override_encoding = nil
@lang = @territory = @encoding_name = @modifier = nil
@locale = locale || ENV["IRB_LANG"] || ENV["LC_MESSAGES"] || ENV["LC_ALL"] || ENV["LANG"] || "C"
if m = LOCALE_NAME_RE.match(@locale)
@lang, @territory, @encoding_name, @modifier = m[:language], m[:territory], m[:codeset], m[:modifier]
if @encoding_name
if @encoding = LEGACY_ENCODING_ALIAS_MAP[@encoding_name]
warn(("%s is obsolete. use %s" % ["#{@lang}_#{@territory}.#{@encoding_name}", "#{@lang}_#{@territory}.#{@encoding.name}"]), uplevel: 1)
else
@encoding = Encoding.find(@encoding_name) rescue nil
end
end
end
@encoding ||= (Encoding.find('locale') rescue Encoding::ASCII_8BIT)
end
attr_reader :lang, :territory, :modifier
def encoding
@override_encoding || @encoding
end
def String(mes)
mes = super(mes)
if encoding
mes.encode(encoding, undef: :replace)
else
mes
end
end
def format(*opts)
String(super(*opts))
end
def gets(*rs)
String(super(*rs))
end
def readline(*rs)
String(super(*rs))
end
def print(*opts)
ary = opts.collect{|opt| String(opt)}
super(*ary)
end
def printf(*opts)
s = format(*opts)
print s
end
def puts(*opts)
ary = opts.collect{|opt| String(opt)}
super(*ary)
end
def load(file)
found = find(file)
if found
unless @@loaded.include?(found)
@@loaded << found # cache
Kernel.load(found)
end
else
raise LoadError, "No such file to load -- #{file}"
end
end
def find(file, paths = $:)
dir = File.dirname(file)
dir = "" if dir == "."
base = File.basename(file)
if dir.start_with?('/')
return each_localized_path(dir, base).find{|full_path| File.readable? full_path}
else
return search_file(paths, dir, base)
end
end
# @param paths load paths in which IRB find a localized file.
# @param dir directory
# @param file basename to be localized
#
# typically, for the parameters and a <path> in paths, it searches
# <path>/<dir>/<locale>/<file>
def search_file(lib_paths, dir, file)
each_localized_path(dir, file) do |lc_path|
lib_paths.each do |libpath|
full_path = File.join(libpath, lc_path)
return full_path if File.readable?(full_path)
end
redo if defined?(Gem) and Gem.try_activate(lc_path)
end
nil
end
def each_localized_path(dir, file)
return enum_for(:each_localized_path) unless block_given?
each_sublocale do |lc|
yield lc.nil? ? File.join(dir, LOCALE_DIR, file) : File.join(dir, LOCALE_DIR, lc, file)
end
end
def each_sublocale
if @lang
if @territory
if @encoding_name
yield "#{@lang}_#{@territory}.#{@encoding_name}@#{@modifier}" if @modifier
yield "#{@lang}_#{@territory}.#{@encoding_name}"
end
yield "#{@lang}_#{@territory}@#{@modifier}" if @modifier
yield "#{@lang}_#{@territory}"
end
if @encoding_name
yield "#{@lang}.#{@encoding_name}@#{@modifier}" if @modifier
yield "#{@lang}.#{@encoding_name}"
end
yield "#{@lang}@#{@modifier}" if @modifier
yield "#{@lang}"
end
yield nil
end
end
end
|
